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WeakPathSymbol

Enum WeakPathSymbol

pub enum WeakPathSymbol {
    Area(Weak<RefCell<AreaSymbol>>),
    Line(Weak<RefCell<LineSymbol>>),
    CombinedArea(Weak<RefCell<CombinedAreaSymbol>>),
    CombinedLine(Weak<RefCell<CombinedLineSymbol>>),
}

Expand description

A non-owning reference to a area or line symbol, used in public parts of area combined symbols

Variants§

Area(Weak<RefCell<AreaSymbol>>)

A weak reference to an area symbol.

Line(Weak<RefCell<LineSymbol>>)

A weak reference to a line symbol.

CombinedArea(Weak<RefCell<CombinedAreaSymbol>>)

A weak reference to a combined area symbol.

CombinedLine(Weak<RefCell<CombinedLineSymbol>>)

A weak reference to a combined line symbol.

Implementations§

impl WeakPathSymbol

pub fn upgrade(&self) -> Option<Symbol>

Attempt to upgrade the weak reference to a strong Symbol.

Trait Implementations§

impl Clone for WeakPathSymbol

fn clone(&self) -> WeakPathSymbol

Returns a duplicate of the value. Read more

1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for WeakPathSymbol

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

impl From<Weak<RefCell<AreaSymbol>>> for WeakPathSymbol

fn from(value: Weak<RefCell<AreaSymbol>>) -> Self

Converts to this type from the input type.

impl From<Weak<RefCell<CombinedAreaSymbol>>> for WeakPathSymbol

fn from(value: Weak<RefCell<CombinedAreaSymbol>>) -> Self

Converts to this type from the input type.

impl From<Weak<RefCell<CombinedLineSymbol>>> for WeakPathSymbol

fn from(value: Weak<RefCell<CombinedLineSymbol>>) -> Self

Converts to this type from the input type.

impl From<Weak<RefCell<LineSymbol>>> for WeakPathSymbol

fn from(value: Weak<RefCell<LineSymbol>>) -> Self

Converts to this type from the input type.

impl From<WeakAreaPathSymbol> for WeakPathSymbol

fn from(value: WeakAreaPathSymbol) -> Self

Converts to this type from the input type.

impl From<WeakLinePathSymbol> for WeakPathSymbol

fn from(value: WeakLinePathSymbol) -> Self

Converts to this type from the input type.

impl From<WeakPathSymbol> for WeakSymbol

fn from(value: WeakPathSymbol) -> Self

Converts to this type from the input type.

impl TryFrom<WeakPathSymbol> for WeakAreaPathSymbol

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: WeakPathSymbol) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<WeakPathSymbol> for WeakLinePathSymbol

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: WeakPathSymbol) -> Result<Self, Error>

Performs the conversion.

impl TryFrom<WeakSymbol> for WeakPathSymbol

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: WeakSymbol) -> Result<Self, Error>

Performs the conversion.

Auto Trait Implementations§

impl !RefUnwindSafe for WeakPathSymbol

impl !Send for WeakPathSymbol

impl !Sync for WeakPathSymbol

impl !UnwindSafe for WeakPathSymbol

impl Freeze for WeakPathSymbol

impl Unpin for WeakPathSymbol

impl UnsafeUnpin for WeakPathSymbol

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.